*{
    margin: 0;
    padding: 0;
}
body{
    width: 100vw;
    height: 100vh;
    background-color:pink;
}
#plate{
    display: flex;
    flex-flow: row wrap;
    overflow: hidden;
    justify-content: center;
    align-items: center;
    align-content: flex-start;
}
.rowDiv{
    width: 100vw;
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: center;
}